Breaking the trust barrier: How to expose weak digital marketing agencies before you invest

You sign with a digital marketing agency that promises big results. They show you sleek presentations, throw around industry jargon, and assure you that their strategy is cutting-edge. Six months later, they send a glowing report:

  •  – Website traffic is up.
  •  – Social media engagement has improved.
  •  – There’s been a 200% increase in impressions.

It all looks good – until you realise your revenue hasn’t moved.

This is where most businesses get caught out. The agency delivers activity, not outcomes. They track vanity metrics instead of business impact. And they rely on complex reports to make their work seem impressive, without proving real growth.

So how do you separate agencies that talk a big game from those that actually deliver results?

The biggest reason agencies underdeliver

Most agencies don’t start with the right foundation. They focus on tactics – SEO, paid ads, social media – without first answering a critical question:

What are potential customers actually searching for?

Many agencies build strategies around:

  •  – What the business wants to say
  •  – What sounds impressive – sometimes including the use of buzzwords and jargon
  •  – What’s “trending”

But none of that matters if it doesn’t align with real customer demand. If the content and campaigns aren’t built around search behaviour, audience intent and performance data, they won’t generate leads or sales.

An effective agency doesn’t guess. They use real-world insights: customer search patterns, industry trends and competitive analysis – to shape a digital strategy that actually works.

If an agency can’t show you the data behind their recommendations, they may be relying on their creative strength.

The "Proof Over Promises" framework: How to test any agency before investing

Before you commit to an agency, run them through this two-step test:

 

1. Demand the data

Ask for real, quantifiable business results from their past campaigns. We are not just talking about “traffic growth” though. You want to see:

  • – Increases in qualified leads
  • – Improvements in conversion rates
  • – Impact on cost per acquisition
  • – Measurable revenue growth

Red flag: If they only show percentage increases but refuse to disclose actual numbers, they might be manipulating the data.

 

2. The transparency test

Access to data is important – but understanding it is even more critical. Many agencies either:

  • – Refuse to give full access to campaign data, leaving you in the dark.
  • – Overwhelm you with raw numbers, knowing you won’t have time to interpret them.

A great agency does neither. Instead, they:

  • – Give you full access to data if you want it, but also
  • – Provide clear, tailored insights so you always know what’s working and why.

A trustworthy agency will:

  • – Show key performance indicators that tie directly to business growth (not just marketing activity).
  • – Offer different reporting levels depending on whether you want deep insights or a high-level overview.
  • – Be available to walk you through the numbers and explain what they mean for your business.

Red flag: If an agency controls the data and only provides pre-filtered, high-level summaries without offering a clear way to dig deeper, they might not have anything of substance to report.

The key test: Ask the agency, “Can you show me exactly how you measure success, and can I access the raw data if I need to?”

 If they hesitate or deflect, that’s a warning sign.

The right content, the right strategy, the right results

Even with the best marketing execution, if the content isn’t aligned with customer search, it won’t convert.

A strong agency doesn’t start with:

  • – “Here’s what we think you should say.”
  • – “This is a great creative idea.”
  • – “Let’s talk about the company’s achievements.”

Instead, they ask:

  • – What are potential customers actively searching for?
  • – What problems do they need solving?
  • – How can we create content that guides them towards a buying decision?

Even better, they will have a data-driven approach to answering these questions, using the latest in search behaviour analysis to develop content in a highly strategic and effective way.

 

Content should be driven by data, not opinions

  • – Deep keyword and intent research – Understanding what your audience actually cares about or needs
  • – Competitor gap analysis – Finding opportunities where you can gain market share
  • – Content mapped to the buyer journey – Making sure every piece serves a purpose and assists with answering questions at the right stage of the buyer journey

Yet despite the vast amount of content published daily, 90% of it is never read. The reason? It wasn’t built around actual search demand or customer intent. Instead, it was created based on assumptions and guesswork – and that’s why it fails.

 

What this means for your business

If an agency can’t show you data-backed reasoning behind their content strategy – and deep data at that – there’s a good chance their approach is built on a tenuous foundation. That’s a risk you can’t afford.

The red flags no one talks about

Beyond the data, watch out for these warning signs:

    1. 1. Cherry-picked case studies
      Some agencies showcase their biggest success stories but leave out the failures. While this is understandable it isn’t helpful. Instead, ask for case studies from multiple industries and business sizes to ensure consistency. Ask to talk to other customers about their experiences.
    2. 2. Hidden fees and vague pricing
      If pricing isn’t transparent from the start, expect unexpected costs later. Ensure you get a full breakdown of  what you will be paying and for how long.
    3. 3. “Set and forget” strategies
      Marketing isn’t static. A great agency constantly refines their strategies based on changes in search behaviour, changes in technology, ongoing competitor analysis and your own growth goals. Ask a question like: “How often do you adjust strategies based on live campaign insights?”

Red flag: If an agency relies on rigid, templated strategies, they’re not focused on real business growth.

How the best agencies actually work

A high-performance digital marketing agency isn’t just an execution partner – it’s a growth partner.

  • They use insights, not assumptions. Every strategy is based on real customer behaviour, not opinions.
  • They prioritise revenue, not activity. Marketing isn’t about looking busy but about delivering measurable business growth.
  • – They provide full transparency
  • – Direct access to all performance data
  • – Clear, honest reporting – no manipulated metrics
  • – A direct link between marketing and sales impact

 

Here are some questions to ask before signing a contract:

  • – How do you determine what my customers are actually searching for?
  • – What measurable KPIs will you track and how will I access my data?
  • – Can you provide full-funnel case studies with real business results?
  • – How do you adjust strategies based on performance insights?

If an agency hesitates or gives vague answers, they may not be the right partner for you.

Don’t gamble on guesswork – choose an agency that prioritises real growth

If a digital marketing agency can’t prove their past results, won’t provide data access, or focuses on vanity metrics over business impact, walk away.

The right agency will:

  • – Align content and campaigns with real customer demand
  • – Focus on outcomes that drive revenue, not just activity
  • – Operate with full transparency and measurable KPIs

Looking for a digital growth agency that puts strategy, data, and real results first? Book a free Growth Assessment with Growth Partners today.

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About Mal Jack

Mal JackMal Jack, Director and General Manager of Growth Partners, is passionate about helping businesses realise their growth objectives while helping the people within an organisation to achieve their own goals, dreams and aspirations too. A seasoned marketeer, Mal enjoys sharing his deep digital knowledge and experience with clients. As a hands-on leader, he places a premium on building personal and professional relationships (and the line often blurs between the two). Outside of work, Mal likes to spend his time enjoying good food with his family, and indulging his passion for adventure-focused travel.

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